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CPDAX was established in 2017 and stands for the “Coinplug Digital Asset Exchange”. It accepts KRW (Korean Won) deposit and withdrawal. This exchange is the development of the Coinplug blockchain technology company.
Stellarport is a trading gateway to the Stellar Decentralized Exchange and wallet for handling multiple assets, including XLM. It also provides an opportunity to participate in the XLM giveaway program. 
Cat.Ex exchange platform was founded in mid-2018. Its headquarters is based in China. Providing its local token holders with dividends on a daily basis, Cat.Ex utilizes transaction mining in order to ensure an efficient profit-sharing.